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Hydraulic Actuators for Regulating Large and Quick-Stroking Time Valves

Posted in Actuator on Monday, November 26th, 2018. No comments yet
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Author: Stefano Belletti Process plants, not only in the oil and gas sector, are becoming increasingly complex in a competitive environment. Therefore, the performance of regulating and modulating valves is also an area where we need to focus our attention to improve the process and optimize costs. Precision, reliability, speed of operation, and fail-safe capabilities […]

How to Setup Keystone Actuator Mechanical Limits

Posted in Actuator on Friday, June 15th, 2018. No comments yet
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As part of Emerson’s acquisition of the Pentair Valves and Controls business, the Keystone brand of valves and actuators joined the final control area of Emerson Automation Solutions. Over on the Bettis YouTube channel, is a great series of videos in setting up Keystone EPI2 electric actuators. I’ll recap a few points made in the […]

How-to Video on Valve Actuator Torque Calibration

Posted in Actuator on Tuesday, August 18th, 2015. No comments yet
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There is nothing like a brief “how-to” video. I use these often around the home as a filter to determine if it’s something I can do myself or if I need to call out an expert. We have many examples of these in our world of process automation. Here’s one from the Emerson team managing […]

Butterfly Valve for Diverse Throttling and On-Off Applications

Posted in Actuator, Final Control Element on Monday, June 22nd, 2015. No comments yet
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References to the use of butterfly valves date back to James Watt, who: …made use of a butterfly valve in his steam engine, and the first Mercedes car built around 1901 introduced a butterfly valve in the fuel intake linked to the accelerator pedal. Wikipedia describes butterfly valves as from: …a family of valves called […]

Integrated Oil and Gas Well Testing

Posted in Actuator, Subsea on Wednesday, June 10th, 2015. No comments yet
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Testing the composition of oil, gas, basic sediment and water has historically been a batch-type operation where the flow from a single well has been diverted from a header leading to the production separator over to a test separator. These components are measured in the test separator before returning for further processing. As technology has […]